hole-punching machine

As for the hole-punching machines, they somehow refused to punch holes in the cards in many of the polling stations we visited.

It works like this: markers and distinctive hole-punching machines are placed at a smattering of spots (like the top of a hill or the junction of two streams) in the wilds.

In 1948, indebted to Henry Cowell's suggestion that difficult rhythms and simultaneous multiple tempos could easily be achieved on a player piano, he went to New York and bought one, along with a hole-punching machine to cut the piano rolls.